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1. Search the forum. You can do this from the Advanced Search Page or from our Google Custom Search, which will search the entire PKP site. If you are encountering an error, we especially recommend searching the forum for said error.

2. Check the FAQ to see if your question or error has already been resolved.

3. Post a question, but please, only after trying the above two solutions. If it's a workflow or usability question you should probably post to the OJS Editorial Support and Discussion subforum; if you have a development question, try the OJS Development subforum.

What DBMS and version are you running? This may be an ADODB bug -- if the schema is being correctly updated according to the schema descriptor, you shouldn't receive the message about last_run being null. (The subsequent error occurs because the updater is trying to insert a row that has already been inserted -- you can ignore this.)

When I try to upgrade my OJS system from 2.1.0.1 to 2.1.1 with a full package, I got the following error message via the upgrade option of "If you are upgrading an existing installation of OJS 2.x, click here to proceed."

Errors occurred during installation: A database error has occurred: Field 'last_run' doesn't have a default value